.title1{
    color: red;
    display: flex;
    backface-visibility: hidden;
    overflow: hidden;
    pointer-events: none;
}
.box1{
    background: url('../../../img/a1.jpg');
    width: 200px;
    height: 200px;
    margin-bottom: 20px;
}

.box2{
    background: url('../../../img/a2.jpg');
    width: 400px;
    height: 400px;
    margin-bottom: 20px;
}


.box3{
    background: url('../../../img/a3.jpg');
    width: 500px;
    height: 500px;
    margin-bottom: 20px;
}